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0,4x=-0,9
We simplify the equation to the form, which is simple to understand
0,4x=-0,9
We move all terms containing x to the left and all other terms to the right.
+ 0.4x=-0.9
We simplify left and right side of the equation.
+ 0.4x=-0.9
We divide both sides of the equation by 0.4 to get x.
x=-2.25
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